Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
occĭdentālis, e, adj. [occidens], western, westerly, west- (post-Aug.): ab occidentali latere septentrionis, Plin. 18, 34, 77, § 338: ventus, Gell. 2, 22, 22: sidus, Amm. 15, 10 init.: mare, Vulg. Deut. 11, 24: ventus, id. Ezech. 42, 19.